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1998 Fiscal Year Final Research Report Summary

Cultural and comparative studies of smiling as a facial expression

Research Project

Project/Area Number 08451018
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 実験系心理学
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

MASATAKA Nobuo  Kyoto Univ.Primate Res.Inst.Ass.Prof, 霊長類研究所, 助教授 (60192746)

Co-Investigator(Kenkyū-buntansha) MAKINO Junshiro  Tsukuba Univ.Dept.of Psychol.Prof., 心理学系, 教授 (60015443)
Project Period (FY) 1996 – 1998
KeywordsSmiling / Facial expression / Emotion / Culture
Research Abstract

We conducted video-recordings of naturally-occurring smiling and analyses of the facial expression in university students varying in their age between 20 and 22 years over a three-year-period. The participants consisted of two cohorts, i.e. Japanese and English -speaking students. In the first experiment, each of them was recorded when lying on a sofa without notifying the true purpose of the experiment. They were presented by entertainment TV program when being relaxed. Whenever smiling occurred, it was submitted for the subsequent analyses. The anayses concentrated the measurements of the degree of muscle contraction around the mouth of the participants. They revealed that the degree of vertical contraction was significantly more robust in English-speaking than Japanese students.
In the second experiment, the participants were required to smile deceptively. The movement of the smile was kinesiologically compared with "true smiling" which were recorded in the first experiment. Results of the comparison revealed the fact that the degree of asymetry of the muscle contraction was significantly more robust in deceptive smile than in true smile.

  • Research Products

    (8 results)

All Other

All Publications (8 results)

  • [Publications] N.Masataka: "Perception of motherese in a signal longucye by 6-month-old deab inbants" Developmental Psychology. 32. 874-879 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 正高信男: "偽りの表情" 現代のエスプリ. 350. 205-212 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 正高信男: "笑いと人間" 岩波講座 文化人類学. 1. 87-114 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] N.Masataka: "Perception ot motherese in Japanese Sign Longuoge by 6-month-old pearing intants" Developmental Psychology. 34. 241-246 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] N.Masataka: "Perception of motherese in a signed language by 6-month-old deaf infants" Developmetal Psychology. 32. 874-879 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N.Masataka: "Deceptive facial expression" Esprit Today. 350. 205-212 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N.Masataka: "Smiling and humans" Iwanami Lecures of Cultural Anthropology. 1. 87-114 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N.Masataka: "Perception of motherese in Japanese Sign Language by 6-month-old hearing infants" Developmental Psychology. 34. 241-246 (1998)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-12-08  

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